Please note that these are currently made on demand - approx 10-25 working days. The original R53 intake manifold, is another restriction in the intake system. Even vehicles with high performance modifications like big valve heads and upgraded camshafts are restricted by the oem design, as the restriction lays between the intake and the cylinder head. Engines need air in order to combust fuel, the more air the more fuel can be combusted and ultimate the more power output. Our main goal was to maintain, as much as possible, the same pressure in all four runners exit, while maintaining the same outer dimensions as the original unit. To achieve this CFD (Computational Fluid Dynamics) Simulation was used , and a complete redesign of the inner surfaces of the intake manifold. Main objectives during the development process: Plug and play fitment. Maximum Gains. Objective 1) As with al[...]
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